How the SIP IP Converter Connects Serial Meters to TCP/IP Networks

The Synapsys SIP IP Converter allows Modbus, M-Bus and pulse-based devices to communicate over Ethernet, making it easier to connect existing meters and field devices to modern IP-based systems.

It is designed for building automation, metering and industrial control projects where serial data needs to be made available to a BMS, SCADA platform or energy monitoring system. Once configured, the converter transfers information from Modbus and/or M-Bus serial devices to Modbus TCP/IP, Modbus RTU/IP or M-Bus Ethernet networks.

The digital/pulse input can also be mapped onto the fieldbus TCP/IP network, allowing pulse-based meters to be integrated alongside Modbus and M-Bus devices.

With its compact footprint and DIN-rail mounting, the SIP IP Converter is well suited to control panels, plant rooms and other space-constrained installation environments.

Modbus, M-Bus and Pulse Input Gateway Features

• Modbus and M-Bus to TCP/IP gateway for building automation and metering projects
• Converts Modbus RTU, M-Bus and digital/pulse inputs to IP-based communications
• RS485 Modbus interface for up to 32 connected Modbus devices
• RS232 Modbus interface for single-device Modbus integration
• M-Bus interface to communicate with and power up to 60 M-Bus meter unit loads
• Digital/pulse input for integrating pulse meters into the TCP/IP network
• Built-in Ethernet interface for connection to existing LAN infrastructure
• PoE support for power and data over a single network cable
• Compact DIN-rail mounting for control panels and space-constrained installations
• Built-in web pages for configuration without additional software
• Cost-effective integration of existing serial meters into IP-based networks

Supported Serial and IP Protocols

The SIP IP Converter is designed for projects where Modbus, M-Bus or pulse-based field devices need to communicate over an IP network.

Serial interfaces:

• Modbus RS485 – connect up to 32 Modbus devices
• Modbus RS232 – connect a single Modbus slave device
• M-Bus – communicate with and power up to 60 M-Bus meter unit loads
• Digital input / pulse input – bring pulse meters onto the network

IP network communication:

• Modbus TCP/IP
• Modbus RTU/IP
• M-Bus Ethernet

This makes the SIP IP Converter suitable for connecting energy meters, heat meters, water meters, gas meters, sensors and other field devices to BMS, SCADA and monitoring platforms.

Typical Applications

Use the SIP IP Converter when you need to connect existing serial meters or field devices to an IP-based system without replacing installed equipment.
Common applications include:

• Building Management Systems (BMS)
• SCADA systems
• Energy monitoring platforms
• Metering panels and plant-room control panels
• Commercial buildings, data centres, healthcare, education and industrial sites
• Modbus RTU to Modbus TCP/IP conversion
• M-Bus meter integration over Ethernet
• Pulse meter integration into Modbus or M-Bus TCP/IP networks

The SIP IP Converter is suitable for BMS integrations using platforms such as Tridium Niagara, Trend BMS, Schneider Electric systems, Siemens Controls and Distech Controls.

Technical Specifications

• SKU: SYN/IP/CONV
• Device type: Interface
• Mounting: DIN rail
• Input voltage: 24VDC
• Power consumption: 0.4A @ 24VDC
• Operating temperature: 0°C to 55°C
• Storage temperature: -25°C to 85°C
• Dimensions: 90mm x 45mm x 60mm
• Colour: Grey

Simple Web Configuration for Faster BMS Commissioning

The SIP IP Converter is configured using built-in web pages, so no additional software is required for standard setup. Engineers can configure the communication parameters needed to convert serial Modbus, M-Bus or pulse inputs into TCP/IP network data.

This helps reduce commissioning time and makes it easier to integrate existing meters and field devices into BMS, SCADA and energy monitoring platforms.

Frequently Asked Questions

What does the SIP IP Converter do?

The SIP IP Converter connects Modbus, M-Bus and pulse-based meters or field devices to TCP/IP networks. It allows serial devices to communicate with BMS, SCADA and energy monitoring systems over Ethernet.

Can it convert Modbus RTU to Modbus TCP/IP?

Yes. The SIP IP Converter can take data from connected Modbus RS232 or RS485 devices and make it available over IP using Modbus TCP/IP or Modbus RTU/IP.

Can it connect M-Bus meters to Ethernet?

Yes. The converter includes an M-Bus interface and can communicate with and power up to 60 M-Bus meter unit loads, allowing M-Bus meter data to be integrated into an IP-based network.

Does it support pulse meters?

Yes. The digital/pulse input allows pulse-based meter values to become available on the fieldbus TCP/IP network.

Is the SIP IP Converter suitable for BMS integration?

Yes. It is designed for building automation and metering projects where energy, water, gas, heat or other meter data needs to be integrated into a BMS, SCADA or energy monitoring platform.

How is the device configured?

The SIP IP Converter is configured using built-in web pages, so no additional configuration software is required for standard setup.